Update render tag for Symfony 2.1 BC
Update render tag for Symfony 2.1 BC

hason/DoctrineBundle,javiereguiluz/DoctrineBundle,hacfi/DoctrineBundle,mikeSimonson/DoctrineBundle,hason/DoctrineBundle,doctrine/DoctrineBundle,skafandri/DoctrineBundle,nicolas-grekas/DoctrineBundle,chrisguitarguy/DoctrineBundle,nicolas-grekas/DoctrineBundle,Soullivaneuh/DoctrineBundle,mikeSimonson/DoctrineBundle,skafandri/DoctrineBundle,fervo/DoctrineBundle,hacfi/DoctrineBundle,javiereguiluz/DoctrineBundle,OskarStark/DoctrineBundle,OskarStark/DoctrineBundle,fabpot/DoctrineBundle,dunglas/DoctrineBundle,gencer/DoctrineBundle,gencer/DoctrineBundle,Soullivaneuh/DoctrineBundle,fervo/DoctrineBundle,chrisguitarguy/DoctrineBundle,fabpot/DoctrineBundle